Home / 26,121.04-39,188.19-12,091.18

Finding the Fourth Proportional to 26,121.04, 39,188.19 and 12,091.18

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Solution

The fourth proportional to 26,121.04, 39,188.19 and 12,091.18 is: 18,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.04 : 39,188.19 = 12,091.18 : x
  2. Step 2: Convert to fraction form
    26,121.04/39,188.19 = 12,091.18/x
  3. Step 3: Cross multiply
    26,121.04x = 39,188.19 × 12,091.18
  4. Step 4: Simplify right side
    26,121.04x = 473,831,459.16
  5. Step 5: Solve for x
    x = 473,831,459.16/26,121.04
  6. Step 6: Final answer
    x = 18,139.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.